菊花诱变的诱导

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
G. Haspolat
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引用次数: 1

摘要

作物遗传多样性对植物新品种选育具有重要意义。菊花是世界上突变品种最多的品种,是观赏植物中应用最广泛的育种方法之一。本研究的目的是利用伽马辐射诱导遗传变异和突变育种来改善菊花的性状。白色‘百加得’型离体芽外植体在此范围内用20 Gy的伽马射线处理。外植体继代培养至M1V4生长期,在此时间进行花期观察。在植物和花中观察到的诱变变化包括花头宽度的变化、株高和株宽的差异、大量的花数、射线小花的颜色和大小变化。射线小花的长度、宽度、行数和颜色各不相同。该群体的突变频率估计为1.1%,形成黄色小花,而对照组仍为白色小花。根据株高和株宽、茎高和株宽、单株芽数和花数、头宽、小花数-高-色、叶数、叶长和叶宽、开花茎重,将树状图分为5组,每组突变体1、28、31和41个。黄色的突变体位于第一、第二和第四组。有利的突变可以产生改良的新品种。伽玛辐射是一种有效的诱变剂,可以在离体芽外植体中产生新的菊花类型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Induction of mutagenesis on Chrysanthemums
Abstract Crop genetic diversity has a significant role in improving new plants through breeding. The chrysanthemum contains the most mutant varieties, making mutation breeding one of the most widely utilized breeding procedures for ornamental plants. The goal of this research is to use gamma irradiation to induce genetic variation and mutation breeding to improve chrysanthemum features. In vitro bud explants of the white ‘Bacardi’ type were treated with gamma rays at 20 Gy on this scope. The explants were subcultured until M1V4 growing period occurred, and observations were made during blooming on this time. Variable flower head widths, distinction on plant heights and widths, numerous flower numbers, color and size variations of ray florets were among the mutagenic changes observed in plants and flowers. Ray florets varied in length, width, number of rows, and color. The mutation frequency of the population was estimated 1.1% and yellow-colored florets were developed whereas the control group remained white. The dendrogram was grouped into five groups with 1, 28, 31, and 41 mutants in each based on the plant height and width, plant stem height and width, number of shoots and flowers per plant, flower head width, ray florets’ number- height- color, number of leaves, leaf length and width, and weight of flowering stems. The yellow-colored mutants were located in the first, second, and fourth groups. The advantageous mutations could result in improving new varieties. Gamma radiation is an effective mutagen for creating new chrysanthemum types when applied to in vitro bud explants.
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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